Medical Lasers

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Fig. 4. Photomicrography of thyroid tissue after hematoxylin & eosin (H&E) staining. (A) Negative control (NC) group showed various size of follicles. Homogenous internal colloid can be observed. (B) PC group showed enlarged follicle size. Moderate edema and hemorrhage can be seen in stroma. (C) 3J low-level laser therapy (LLLT) group showed similar findings with PC group. Slightly smaller size of follicle than PC. (D) 12J LLLT group. Follicle sizes were similar to NC group. Heterogenous internal colloid, some depletion can be observed. Vacuolar change of epithelial lining cells. Black bars: 100 μm.
Medical Lasers; Engineering, Basic Research, and Clinical Application 2021;10:37~44 https://doi.org/10.25289/ML.2021.10.1.37
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